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Prusa XL nozzle brush scrubber with extra support against lateral force
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A revised nozzle brush which prevents lateral nozzle moves from twisting the brush
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Model information
- Source
- Printables
- Category
- Prusa Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This requires two additional pieces of hardware per nozzle:
- A 3030 M3 Spring Ball Nut
- An M3x16 screw
To install:
- Insert the spring ball nut a bit to the left of the tool dock, with the hole towards the right.
- Insert the nozzle brush (facing left) and twist it 90 degrees.
- Align the brush (I highly recommend the positioner tool by @Surfalex2000), then align the spring ball nut below it.
- Use the M3x16 screw to secure the brush.
This version of the brush needs a slightly redesigned debris bucket to accommodate the left arm.
OpenSCAD file provided for further tweaks. To use it, copy the STLs from the original model and name them brush_orig.stl, brush_orig+1mm.stl, and brush_orig+2mm.stl